Home / 538,733.70-743,457.78-297,025.74

Finding the Fourth Proportional to 538,733.70, 743,457.78 and 297,025.74

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Solution

The fourth proportional to 538,733.70, 743,457.78 and 297,025.74 is: 409,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,733.70 : 743,457.78 = 297,025.74 : x
  2. Step 2: Convert to fraction form
    538,733.70/743,457.78 = 297,025.74/x
  3. Step 3: Cross multiply
    538,733.70x = 743,457.78 × 297,025.74
  4. Step 4: Simplify right side
    538,733.70x = 220,826,097,263.26
  5. Step 5: Solve for x
    x = 220,826,097,263.26/538,733.70
  6. Step 6: Final answer
    x = 409,898.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.